518492020

素因数分解:

$2^2\times 5^1\times {\mathrm{25924601}}^1$

素因数の和:25924610

約数の個数: 12

約数和(自身を含む): 1088833284

約数和(自身を除く): 570341264

約数列:

[1, 2, 4, 5, 10, 20, 25924601, 51849202, 103698404, 129623005, 259246010, 518492020]

約数ペア:

[(1, 518492020), (2, 259246010), (4, 129623005), (5, 103698404), (10, 51849202), (20, 25924601)]